/Engine/Plugins/Media/MediaFrameworkUtilities/Source/MediaFrameworkUtilities/Public/Profile/MediaProfile.h
Apply the media profile as the current profile. Will change the engine's timecode provider & custom time step and redirect the media profile source/output proxy for the correct media source/output.
bool IsMediaSourceAffectedByProfile ( [UMediaSource](API\Runtime\MediaAssets\UMediaSource) * InMediaSource )